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cluster: load region before leader campaign #8705

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cluster: load region before leader campaign #8705

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12 changes: 0 additions & 12 deletions server/cluster/cluster.go
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Original file line number Diff line number Diff line change
Expand Up @@ -653,18 +653,6 @@ func (c *RaftCluster) LoadClusterInfo() (*RaftCluster, error) {
zap.Int("count", c.GetStoreCount()),
zap.Duration("cost", time.Since(start)),
)

start = time.Now()

// used to load region from kv storage to cache storage.
if err = storage.TryLoadRegionsOnce(c.ctx, c.storage, c.CheckAndPutRegion); err != nil {
return nil, err
}
log.Info("load regions",
zap.Int("count", c.GetTotalRegionCount()),
zap.Duration("cost", time.Since(start)),
)

return c, nil
}

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10 changes: 10 additions & 0 deletions server/server.go
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Original file line number Diff line number Diff line change
Expand Up @@ -491,6 +491,16 @@ func (s *Server) startServer(ctx context.Context) error {
s.gcSafePointManager = gc.NewSafePointManager(s.storage, s.cfg.PDServerCfg)
s.basicCluster = core.NewBasicCluster()
s.cluster = cluster.NewRaftCluster(ctx, clusterID, s.GetBasicCluster(), s.GetStorage(), syncer.NewRegionSyncer(s), s.client, s.httpClient)
// used to load region from kv storage to cache storage.
start := time.Now()
if err = storage.TryLoadRegionsOnce(ctx, s.GetStorage(), s.cluster.CheckAndPutRegion); err != nil {
return err
}
log.Info("load regions",
zap.Int("count", s.cluster.GetTotalRegionCount()),
zap.Duration("cost", time.Since(start)),
)

keyspaceIDAllocator := id.NewAllocator(&id.AllocatorParams{
Client: s.client,
RootPath: s.rootPath,
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